CS 633 then WK 2340 at Zurich
Skopje → Zurich → Athens
Timetable, Zurich time
10:45CS 633 from Skopje at the gate
14:00WK 2340 to Athens leaves the gate
3 h 15 apart on the timetable
The last days
CS 633 and WK 2340 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.